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Edited by
Laurie J. Mckenzie, University of Texas MD Anderson Cancer Center, Houston,Denise R. Nebgen, University of Texas MD Anderson Cancer Center, Houston
While many urologic cancer can occur in both sexes, bladder cancer has the most unique sex-specific differences. Despite lower incidence of bladder cancer in females, these patients experience a worse prognosis compared to their male counterparts. Importantly, to decrease delays in care, bladder cancer should always be considered in the differential of those with hematuria. The hematuria evaluation involves imaging studies and direct visualization of the bladder with a camera, known as cystoscopy. Bladder cancer can be divided into two categories of disease: non-muscle invasive (NMIBC) and muscle invasive bladder cancer (MIBC). NMIBC may be treated with endoscopic resection and intravesical therapies, with ongoing need for cystoscopic surveillance. MIBC often requires removal of the bladder (cystectomy) and urinary diversion with or without systemic chemotherapy or immunotherapy. Historically, removal of the uterus, fallopian tubes, ovaries, and anterior vagina have occurred in conjunction with cystectomy for MIBC. Recent research and expert opinion suggest that removal of all gynecological organs is unlikely to be necessary in many cases. In addition to common surgical complications and quality of life disruptions of cystectomy, gynecologic-specific complications include vaginal closure dehiscence, prolapse, dyspareunia, iatrogenic menopause, and vaginal fistula.
This chapter offers a discussion of basic normal ejaculatory duct embryology, anatomy, and physiology to lay a foundation for an understanding of the clinical findings and treatment of obstruction. In the male the mesonephric duct continues to develop into the epididymis, vas deferens, seminal vesicle, and ejaculatory duct. The remnant Müllerian structures in the male are the prostatic utricle and appendix testis, and in some men remnant Müllerian duct structures can be found in the midline of the prostate as Müllerian duct cysts. The ultrasonographic diagnosis of ejaculatory duct obstruction is based upon the finding of dilation of the seminal vesicles and abnormalities in the region of the ejaculatory ducts. Stricturing of the resected ejaculatory ducts may represent the most significant complication in regard to fertility, and may occur immediately or in a delayed fashion.
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